Zaslat záznam emailem: Spontaneous resolution and crystal structure of (2S)-2-(3-nitro­phen­yl)-3-phenyl-2,3,5,6-tetra­hydro-4H-1,3-thia­zin-4-one; crystal structure of rac-2-(4-nitro­phen­yl)-3-phenyl-2,3,5,6-tetra­hydro-4H-1,3-thia­zin-4-one